Python

Comprehensive Challenges II

day_1 = ["3422", "4522", "7743", "2947", "2846", "1038", "8354", "2593", "7324", "7353"]
day_2 = ["9352", "3422", "7353", "1038", "7245", "8354", "9204", "2355", "2353", "7743"]


day_1 = ["3422", "4522", "7743", "2947", "2846", "1038", "8354", "2593", "7324", "7353"]
day_2 = ["9352", "3422", "7353", "1038", "7245", "8354", "9204", "2355", "2353", "7743"]

# we use sorted to make the output consistent because sets are unordered
both_days = sorted(set(day_1) & set(day_2)) # both days
day_1_attendees = sorted(set(day_1) - set(day_2)) # only day 1
day_2_attendees = sorted(set(day_2) - set(day_1)) # only day 2

print(f"Attendees on both days: {both_days}")
print(f"Attendees only on first day: {day_1_attendees}")
print(f"Attendees only on second day: {day_2_attendees}")
